Klaviyo is an e-commerce-focused platform optimized for data-driven personalization and advanced automation, while Constant Contact is a user-friendly, general-purpose email marketing tool designed for small businesses. Klaviyo costs more but offers superior segmentation and SMS capabilities, whereas Constant Contact provides better ease-of-use at a lower entry price.
Klaviyo vs Constant Contact — Side-by-side comparison on A Versus B
Marketing automation platform built for ecommerce brands with email, SMS, and predictive analytics.
User-friendly email marketing platform emphasizing customer support and simple campaign management for small businesses.
Primary Use Case. Starting Price. Mid-Market Monthly Cost. SMS Pricing. Data-Driven Personalization. Ease of Use. Automation Workflows. Best for Growth
Choose Klaviyo if you're an e-commerce business prioritizing customer data, personalization, and multi-channel marketing—the higher investment pays off through advanced automation and SMS capabilities. Choose Constant Contact if you're a small business seeking simplicity, affordability, and straightforward email marketing without the complexity of enterprise-level data management.
Klaviyo: $20/month | Constant Contact: N/A
Klaviyo: $100/month | Constant Contact: N/A
Klaviyo: $720/month | Constant Contact: N/A
Klaviyo: All email features included | Constant Contact: N/A
Klaviyo: eCommerce-optimized templates | Constant Contact: N/A
Klaviyo: Advanced behavior-led segmentation | Constant Contact: N/A
Klaviyo: Unified customer data foundation | Constant Contact: N/A
Klaviyo: Not included | Constant Contact: N/A
Klaviyo: Basic email features only | Constant Contact: N/A
Klaviyo: Extensive custom via API | Constant Contact: N/A
Klaviyo: Real-time behavioral graphs with continuous updates | Constant Contact: N/A
Klaviyo: Email, SMS, push, in-app, direct mail | Constant Contact: N/A
Klaviyo: Higher minimum investment required | Constant Contact: N/A
Klaviyo: Mid-to-large ecommerce, Shopify Plus, data-driven brands | Constant Contact: N/A
Average eCommerce Email Revenue Per Send
Klaviyo: $20/month (500 contacts) | Constant Contact: N/A
Klaviyo: Varies by plan features | Constant Contact: N/A
Klaviyo: B2C customer data platform | Constant Contact: N/A
Klaviyo: Included in all plans | Constant Contact: N/A
Klaviyo: Native with product catalog sync, dynamic blocks, and product recommendations | Constant Contact: N/A
Klaviyo: 4,200% ROI (industry average) | Constant Contact: N/A
Klaviyo: Email, SMS, push (native) | Constant Contact: N/A
Klaviyo: 45+ filters | Constant Contact: N/A
Klaviyo: Limited 2-way capability | Constant Contact: N/A
Klaviyo: Native email + SMS + pop-ups | Constant Contact: N/A
Klaviyo: Yes, multi-channel A/B testing | Constant Contact: N/A
Klaviyo: Smart scheduling with AI optimization | Constant Contact: N/A
Klaviyo: Active profiles (contacts with behavior) | Constant Contact: N/A
Klaviyo: Limited (plan-dependent) | Constant Contact: N/A
Klaviyo: Included (higher plans only) | Constant Contact: N/A
Klaviyo: Advanced behavioral data segmentation | Constant Contact: N/A
Klaviyo: 3 (Email, SMS, WhatsApp) | Constant Contact: N/A
Klaviyo: Personalized send time optimization | Constant Contact: N/A
Klaviyo: Built-in CDP as core foundation | Constant Contact: N/A
Klaviyo: Steeper learning curve (data-focused) | Constant Contact: N/A
Klaviyo: Predictive send-time optimization (Q4 2025), AI-driven personalization | Constant Contact: N/A
Klaviyo: Enterprise-grade, proven at scale with dedicated infrastructure | Constant Contact: N/A
Klaviyo: Unlimited triggered sequences with advanced conditional logic | Constant Contact: Basic automation sequences
Klaviyo: SMB to Enterprise (all Shopify store sizes) | Constant Contact: N/A
Klaviyo: $72 per email sent | Constant Contact: N/A
Klaviyo: Industry average 4,200% | Constant Contact: N/A
Klaviyo: Deep native with purchase-event segmentation | Constant Contact: N/A
Klaviyo: Behavioral purchase-event segmentation | Constant Contact: N/A
Klaviyo: Email and SMS | Constant Contact: N/A
Klaviyo: North America eCommerce focus | Constant Contact: N/A
Klaviyo: $20+ (usage-based) | Constant Contact: N/A
Klaviyo: Email, SMS, Web Push, Forms | Constant Contact: N/A
Klaviyo: 24/5 email, phone 9-5 EST | Constant Contact: N/A
Klaviyo: Behavioral, predictive, e-commerce segments, custom attributes | Constant Contact: N/A
Klaviyo: 150,000+ e-commerce merchants | Constant Contact: N/A
Klaviyo: 1-2 weeks | Constant Contact: N/A
Klaviyo: $0.01-$0.015 | Constant Contact: Not offered
Klaviyo: Advanced multi-channel | Constant Contact: Standard email-based
Klaviyo: Native integration with major platforms | Constant Contact: Limited e-commerce features
Klaviyo: AI-powered with customer data platform | Constant Contact: Basic segmentation
Klaviyo: Unlimited | Constant Contact: Unlimited
Klaviyo: Yes, native SMS | Constant Contact: Add-on ($30-$60/month extra)
Klaviyo: No, third-party required | Constant Contact: Yes (template-based)
Klaviyo: Native SMS included | Constant Contact: N/A
Klaviyo: 200+ Shopify-optimized | Constant Contact: N/A
Klaviyo: 500 req/sec | Constant Contact: Unlimited (on request)
Klaviyo: Unlimited with predictive optimization | Constant Contact: 12 pre-built templates
Klaviyo: 10-15% with predictive send time | Constant Contact: N/A
Klaviyo: 1-2 days | Constant Contact: N/A
Klaviyo: 500 | Constant Contact: No free plan
Klaviyo: Unlimited | Constant Contact: N/A
Klaviyo: None (paid only) | Constant Contact: Trial only (60 days)
Klaviyo: 25+ including Shopify, WooCommerce, Amazon, TikTok Shop, custom APIs | Constant Contact: N/A
Klaviyo: 5 active automations | Constant Contact: N/A
Klaviyo: 150+ with AI generation | Constant Contact: N/A
Klaviyo: Yes (all plans) | Constant Contact: N/A
Klaviyo: $20 (for 500 contacts) | Constant Contact: N/A
Klaviyo: 14 days | Constant Contact: N/A
Klaviyo: 1-2 weeks (visual setup) | Constant Contact: N/A
Klaviyo: Web push only | Constant Contact: N/A
Klaviyo: Yes (native + Plus tier) | Constant Contact: N/A
Klaviyo: 100+ million | Constant Contact: N/A
Klaviyo: N/A | Constant Contact: 3 channels
Klaviyo: N/A | Constant Contact: 3 (very beginner-friendly)
Klaviyo: N/A | Constant Contact: Standard list-based segmentation
Klaviyo: N/A | Constant Contact: Yes, all plans included
Klaviyo: N/A | Constant Contact: Yes, core feature
Klaviyo: N/A | Constant Contact: 500 contacts
Klaviyo: N/A | Constant Contact: $35/month (Standard)
Klaviyo: N/A | Constant Contact: Not available
Klaviyo: N/A | Constant Contact: Very easy - beginner-friendly
Klaviyo: N/A | Constant Contact: $12/month
Professional/Standard Plan Monthly Price
Klaviyo: N/A | Constant Contact: $80/month
Klaviyo: N/A | Constant Contact: 17% of average
Klaviyo: N/A | Constant Contact: Email-centric, limited CRM
Klaviyo: N/A | Constant Contact: Solo to small business (1-50 employees)
Klaviyo: N/A | Constant Contact: Near-instantaneous (seconds to minutes)
Klaviyo: N/A | Constant Contact: 24/7 (phone, email, live chat)
Klaviyo: N/A | Constant Contact: $300/month
Klaviyo: N/A | Constant Contact: 500+ templates
Klaviyo: N/A | Constant Contact: Basic contact management only
Annual Cost Savings vs Constant Contact (10K contacts)
Klaviyo: N/A | Constant Contact: Baseline ($3,600/year)
Klaviyo: N/A | Constant Contact: Unlimited
Klaviyo: N/A | Constant Contact: Limited on basic tiers
Klaviyo: N/A | Constant Contact: 24/7 (all plans)
How to choose between Klaviyo and Constant Contact
Klaviyo vs Constant Contact — Structured Comparison Data
Machine-readable comparison dataset for Klaviyo vs Constant Contact. Contains 139 attribute comparisons, 5 FAQ pairs.
Klaviyo vs Constant Contact — Attribute Category Vocabulary
Taxonomy of attribute categories used to classify comparison data for Klaviyo vs Constant Contact.
Which platform is better for e-commerce stores?
Klaviyo is significantly better for e-commerce businesses. It offers native integrations with Shopify and other major platforms, advanced customer data capabilities for behavioral targeting, and specialized features like abandoned cart recovery and product recommendation automation. Constant Contact is more general-purpose and lacks dedicated e-commerce optimization.
Can I switch from Constant Contact to Klaviyo later?
Yes, both platforms support data export and integration. You can migrate your contact lists, past campaign data, and templates from Constant Contact to Klaviyo. However, historical automation workflows will need to be recreated as they use different architecture. Most migrations take 1-2 weeks to execute cleanly.
Is Constant Contact cheaper than Klaviyo for small businesses?
Yes, Constant Contact is significantly cheaper for small businesses with under 10,000 contacts, starting at $12/month versus Klaviyo's $25/month minimum. However, as your contact list grows, costs can equalize or favor Klaviyo depending on your feature needs, as Constant Contact pricing scales more aggressively with list size.
Does Constant Contact offer SMS marketing?
Constant Contact's SMS capabilities are limited compared to Klaviyo. While Constant Contact does offer some SMS features, Klaviyo provides a more robust and cost-effective SMS solution with advanced segmentation and automation, making it the better choice for multi-channel campaigns.
Which platform has better customer support?
Constant Contact offers more beginner-friendly support with responsive phone and email assistance, which benefits small business users. Klaviyo provides strong support but is often oriented toward more technical users and development teams. Choice depends on your support preference and technical expertise.
How to Choose Between Klaviyo and Constant Contact
Primary Use Case: Klaviyo has E-commerce personalization and advanced automation, while Constant Contact has General small business email marketing.
Starting Price: Klaviyo has $25/month (based on order volume), while Constant Contact has $12/month (up to 500 contacts).
Mid-Market Monthly Cost: Klaviyo has $720-$825+ (50,000+ profiles), while Constant Contact has $80/month (comparable tier).
SMS Pricing: Klaviyo has $0.01-$0.015 per message, while Constant Contact has Not prominently featured.
Data-Driven Personalization: Klaviyo has Advanced customer data platform with AI, while Constant Contact has Basic segmentation features.
Ease of Use: Klaviyo has Steeper learning curve, while Constant Contact has Intuitive and beginner-friendly.
Automation Workflows: Klaviyo has Advanced multi-channel automation, while Constant Contact has Standard email automation.
Best for Growth: Klaviyo has High-growth e-commerce brands, while Constant Contact has Small to medium local businesses.